"Fedora ASAN Test / build" fails with "cgroup.clone_children: No such file or directory"

[Snorch]

Description

Steps to reproduce the issue:
Reproduces in CI #2361 (comment) https://github.com/checkpoint-restore/criu/actions/runs/8774429491/job/24078524479?pr=2361 on cgroupv2_00 and cgroupv2_01 testcases.

Describe the results you received:

2024-04-21T22:05:17.5762356Z ====================== Run zdtm/static/cgroupv2_01 in ns =======================
2024-04-21T22:05:17.5762757Z Start test
2024-04-21T22:05:17.5762961Z Test is SUID
2024-04-21T22:05:17.5763477Z ./cgroupv2_01 --pidfile=cgroupv2_01.pid --outfile=cgroupv2_01.out --dirname=cgroupv2_01.test
2024-04-21T22:05:17.5764005Z Cleaning cgclean.xPZPPX
2024-04-21T22:05:17.5764265Z Cleaning cgclean.JkmFk7
2024-04-21T22:05:17.5764728Z rmdir: failed to remove 'cgclean.JkmFk7/subcg01': Device or resource busy
2024-04-21T22:05:17.5765284Z Running zdtm/static/cgroupv2_01.hook(--post-start)
2024-04-21T22:05:17.5765734Z Running zdtm/static/cgroupv2_01.hook(--pre-dump)
2024-04-21T22:05:17.5766071Z Run criu dump
2024-04-21T22:05:17.5766398Z Running zdtm/static/cgroupv2_01.hook(--pre-restore)
2024-04-21T22:05:17.5766757Z Run criu restore
2024-04-21T22:05:17.5767046Z =[log]=> dump/zdtm/static/cgroupv2_01/63/1/restore.log
2024-04-21T22:05:17.5767506Z ------------------------ grep Error ------------------------
2024-04-21T22:05:17.5768135Z b'(00.105793) cg: Restoring cgroup property value [0] to [zdtmtst/bar/notify_on_release]'
2024-04-21T22:05:17.5768992Z b'(00.105811) cg: Restoring cgroup property value [] to [zdtmtst/bar/cgroup.procs]'
2024-04-21T22:05:17.5769706Z b'(00.105828) cg: Restoring cgroup property value [] to [zdtmtst/bar/tasks]'
2024-04-21T22:05:17.5770437Z b'(00.105844) cg: Restoring cgroup property value [0] to [zdtmtst/foo/cgroup.clone_children]'
2024-04-21T22:05:17.5771585Z b'(00.105867) Error (criu/cgroup.c:1434): cg: bad cgroup path: zdtmtst/foo/cgroup.clone_children: No such file or directory'
2024-04-21T22:05:17.5772352Z b'(00.106559) mnt: Switching to new ns to clean ghosts'
2024-04-21T22:05:17.5772876Z b'(00.106710) Error (criu/cr-restore.c:2310): Restoring FAILED.'
2024-04-21T22:05:17.5773376Z ------------------------ ERROR OVER ------------------------
2024-04-21T22:05:17.5773869Z ############## Test zdtm/static/cgroupv2_01 FAIL at CRIU restore ###############

Describe the results you expected:

No FAIL.

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